到现在为止，她已经变成了胚胎期的一个尾巴，实际上就是她尾骨的延长。

Up to now she has sported an embryonic tail which is actually an extension of her tail bone.

youdao

到现在为止，她已经变成了胚胎期的一个尾巴，实际上就是她尾骨的延长。

Up to now, she has sported an embryonic tail, which is actually an extension of her tail bone.

youdao

医学研究表明：这种流产出来的标本有60%—70%的受精卵不能完成胚胎期的发育；

Medical research shows that: the abortion out 60%-70% of the specimen fertilized embryos can't finish the development;

youdao

These are cells that I that were obtained either from a more developed embryo, past the blastocyst stage.

这些细胞是我从,发育的更成熟的一些胚胎中提取的,这些胚胎已经过了囊胚期了

耶鲁公开课 - 生物医学工程探索课程节选

There's one division, here it shows it at the 16 cell stage and then here, and this transformation as it goes from 16 cells to more like 64 cells.

这是第一次分裂,这里显示的是十六细胞期,然后在这里,在这里胚胎进一步的产生了变化,由十六个细胞分裂为约六十四个

耶鲁公开课 - 生物医学工程探索课程节选